Home / 88,478.45-122,103.19-50,239.65

Finding the Fourth Proportional to 88,478.45, 122,103.19 and 50,239.65

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Solution

The fourth proportional to 88,478.45, 122,103.19 and 50,239.65 is: 69,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,478.45 : 122,103.19 = 50,239.65 : x
  2. Step 2: Convert to fraction form
    88,478.45/122,103.19 = 50,239.65/x
  3. Step 3: Cross multiply
    88,478.45x = 122,103.19 × 50,239.65
  4. Step 4: Simplify right side
    88,478.45x = 6,134,421,529.48
  5. Step 5: Solve for x
    x = 6,134,421,529.48/88,478.45
  6. Step 6: Final answer
    x = 69,332.38

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Half scale
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Double scale
Find fourth proportional to 88,479.45, 122,104.57 and 50,240.65
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.